摘要
介绍了BP学习算法的基本原理及其优缺点,并针对其不足,引入了动量项进行改进,并对BP网络的算法实现作了探讨。
This paper introduces the basic principles, advantages and disadvantages of BP learning algorithm, in the light of its disadvantages, introduces the momentum item to improve this algorithm, and probes into the implementation of BP network algorithm.
出处
《科技情报开发与经济》
2007年第2期167-169,共3页
Sci-Tech Information Development & Economy
关键词
BP神经网络算法
字符识别
参数选取
BP neural network algorithm
character recognition
parameter selection
